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Modeling the sub-grid side of galaxy formation

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If you have a question about this talk, please contact Martin Haehnelt .

Hydrodynamical simulations of galaxies have only recently managed to produce realistic spirals in cosmological dark matter halos. It is widely believed that strong feedback from massive stars is the key to this success. I will present simulations run using GADGET3 with a MUlti-Phase Particle Integrator algorithm for star formation and stellar feedback, based on a simple model for the behaviour of the Inter-Stellar Medium at unresolved scales that does not assume the existence of equilibrium solutions. I will focus on the quantification of the outflows generated at high redshift in our simulations. Results will be used to understand the potentialities of our sub-grid model, the reason for its success, and some ideas to further challenge such models.

This talk is part of the Galaxies Discussion Group series.

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Todd-Hamied Room, Department of Chemistry, Lensfield Road, Cambridge Room GS15 at the William Gates Building and on Zoom: https://cl-cam-ac-uk.zoom.us/j/4361570789?pwd=Nkl2T3ZLaTZwRm05bzRTOUUxY3Q4QT09&from=addon This seminar will be held in a hybrid format at MR 12, Centre of Mathematical Sciences, CB3 0WA. Alternatively you can also join with Zoom (see abstract for Zoom link).

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